.list-container ul img {
  width: .64rem;
  height: .9rem; }

.list-container .head, .list-container .foot {
  display: flex;
  align-items: center;
  justify-content: center;
  height: .4rem; }

.list-container .head img, .list-container .foot img {
  width: .16rem;
  height: .16rem;
  -webkit-transtion: transform 150ms;
  transition: transform 150ms; }

.list-container .head img {
  transform: rotate(180deg); }

.list-container .up {
  transform: rotate(360deg) !important;
  -webkit-transform: rotate(360deg) !important; }

.list-container .down {
  transform: rotate(180deg); }
